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cb7301c7 JP |
1 | #!/usr/bin/perl -w |
2 | # (c) 2007, Joe Perches <joe@perches.com> | |
3 | # created from checkpatch.pl | |
4 | # | |
5 | # Print selected MAINTAINERS information for | |
6 | # the files modified in a patch or for a file | |
7 | # | |
8 | # usage: perl scripts/get_maintainers.pl [OPTIONS] <patch> | |
9 | # perl scripts/get_maintainers.pl [OPTIONS] -f <file> | |
10 | # | |
11 | # Licensed under the terms of the GNU GPL License version 2 | |
12 | ||
13 | use strict; | |
14 | ||
15 | my $P = $0; | |
290603c1 | 16 | my $V = '0.16'; |
cb7301c7 JP |
17 | |
18 | use Getopt::Long qw(:config no_auto_abbrev); | |
19 | ||
20 | my $lk_path = "./"; | |
21 | my $email = 1; | |
22 | my $email_usename = 1; | |
23 | my $email_maintainer = 1; | |
24 | my $email_list = 1; | |
25 | my $email_subscriber_list = 0; | |
26 | my $email_git = 1; | |
27 | my $email_git_penguin_chiefs = 0; | |
28 | my $email_git_min_signatures = 1; | |
29 | my $email_git_max_maintainers = 5; | |
30 | my $email_git_since = "1-year-ago"; | |
31 | my $output_multiline = 1; | |
32 | my $output_separator = ", "; | |
33 | my $scm = 0; | |
34 | my $web = 0; | |
35 | my $subsystem = 0; | |
36 | my $status = 0; | |
4a7fdb5f | 37 | my $from_filename = 0; |
cb7301c7 JP |
38 | my $version = 0; |
39 | my $help = 0; | |
40 | ||
41 | my $exit = 0; | |
42 | ||
43 | my @penguin_chief = (); | |
44 | push(@penguin_chief,"Linus Torvalds:torvalds\@linux-foundation.org"); | |
45 | #Andrew wants in on most everything - 2009/01/14 | |
46 | #push(@penguin_chief,"Andrew Morton:akpm\@linux-foundation.org"); | |
47 | ||
48 | my @penguin_chief_names = (); | |
49 | foreach my $chief (@penguin_chief) { | |
50 | if ($chief =~ m/^(.*):(.*)/) { | |
51 | my $chief_name = $1; | |
52 | my $chief_addr = $2; | |
53 | push(@penguin_chief_names, $chief_name); | |
54 | } | |
55 | } | |
56 | my $penguin_chiefs = "\(" . join("|",@penguin_chief_names) . "\)"; | |
57 | ||
58 | if (!GetOptions( | |
59 | 'email!' => \$email, | |
60 | 'git!' => \$email_git, | |
61 | 'git-chief-penguins!' => \$email_git_penguin_chiefs, | |
62 | 'git-min-signatures=i' => \$email_git_min_signatures, | |
63 | 'git-max-maintainers=i' => \$email_git_max_maintainers, | |
64 | 'git-since=s' => \$email_git_since, | |
65 | 'm!' => \$email_maintainer, | |
66 | 'n!' => \$email_usename, | |
67 | 'l!' => \$email_list, | |
68 | 's!' => \$email_subscriber_list, | |
69 | 'multiline!' => \$output_multiline, | |
70 | 'separator=s' => \$output_separator, | |
71 | 'subsystem!' => \$subsystem, | |
72 | 'status!' => \$status, | |
73 | 'scm!' => \$scm, | |
74 | 'web!' => \$web, | |
4a7fdb5f | 75 | 'f|file' => \$from_filename, |
cb7301c7 JP |
76 | 'v|version' => \$version, |
77 | 'h|help' => \$help, | |
78 | )) { | |
79 | usage(); | |
80 | die "$P: invalid argument\n"; | |
81 | } | |
82 | ||
83 | if ($help != 0) { | |
84 | usage(); | |
85 | exit 0; | |
86 | } | |
87 | ||
88 | if ($version != 0) { | |
89 | print("${P} ${V}\n"); | |
90 | exit 0; | |
91 | } | |
92 | ||
cb7301c7 JP |
93 | if ($#ARGV < 0) { |
94 | usage(); | |
95 | die "$P: argument missing: patchfile or -f file please\n"; | |
96 | } | |
97 | ||
98 | my $selections = $email + $scm + $status + $subsystem + $web; | |
99 | if ($selections == 0) { | |
100 | usage(); | |
101 | die "$P: Missing required option: email, scm, status, subsystem or web\n"; | |
102 | } | |
103 | ||
104 | if ($email && ($email_maintainer + $email_list + $email_subscriber_list | |
105 | + $email_git + $email_git_penguin_chiefs) == 0) { | |
106 | usage(); | |
107 | die "$P: Please select at least 1 email option\n"; | |
108 | } | |
109 | ||
110 | if (!top_of_kernel_tree($lk_path)) { | |
111 | die "$P: The current directory does not appear to be " | |
112 | . "a linux kernel source tree.\n"; | |
113 | } | |
114 | ||
115 | ## Read MAINTAINERS for type/value pairs | |
116 | ||
117 | my @typevalue = (); | |
118 | open(MAINT, "<${lk_path}MAINTAINERS") || die "$P: Can't open MAINTAINERS\n"; | |
119 | while (<MAINT>) { | |
120 | my $line = $_; | |
121 | ||
122 | if ($line =~ m/^(\C):\s*(.*)/) { | |
123 | my $type = $1; | |
124 | my $value = $2; | |
125 | ||
126 | ##Filename pattern matching | |
127 | if ($type eq "F" || $type eq "X") { | |
128 | $value =~ s@\.@\\\.@g; ##Convert . to \. | |
129 | $value =~ s/\*/\.\*/g; ##Convert * to .* | |
130 | $value =~ s/\?/\./g; ##Convert ? to . | |
131 | } | |
132 | push(@typevalue, "$type:$value"); | |
133 | } elsif (!/^(\s)*$/) { | |
134 | $line =~ s/\n$//g; | |
135 | push(@typevalue, $line); | |
136 | } | |
137 | } | |
138 | close(MAINT); | |
139 | ||
4a7fdb5f | 140 | ## use the filenames on the command line or find the filenames in the patchfiles |
cb7301c7 JP |
141 | |
142 | my @files = (); | |
143 | ||
4a7fdb5f JP |
144 | foreach my $file (@ARGV) { |
145 | next if ((-d $file)); | |
146 | if (!(-f $file)) { | |
147 | die "$P: file '${file}' not found\n"; | |
cb7301c7 | 148 | } |
4a7fdb5f JP |
149 | if ($from_filename) { |
150 | push(@files, $file); | |
151 | } else { | |
152 | my $file_cnt = @files; | |
153 | open(PATCH, "<$file") or die "$P: Can't open ${file}\n"; | |
154 | while (<PATCH>) { | |
155 | if (m/^\+\+\+\s+(\S+)/) { | |
156 | my $filename = $1; | |
157 | $filename =~ s@^[^/]*/@@; | |
158 | $filename =~ s@\n@@; | |
159 | push(@files, $filename); | |
160 | } | |
cb7301c7 | 161 | } |
4a7fdb5f JP |
162 | close(PATCH); |
163 | if ($file_cnt == @files) { | |
164 | die "$P: file '${file}' doesn't appear to be a patch. " | |
165 | . "Add -f to options?\n"; | |
166 | } | |
167 | @files = sort_and_uniq(@files); | |
cb7301c7 | 168 | } |
cb7301c7 JP |
169 | } |
170 | ||
171 | my @email_to = (); | |
290603c1 | 172 | my @list_to = (); |
cb7301c7 JP |
173 | my @scm = (); |
174 | my @web = (); | |
175 | my @subsystem = (); | |
176 | my @status = (); | |
177 | ||
178 | # Find responsible parties | |
179 | ||
180 | foreach my $file (@files) { | |
181 | ||
182 | #Do not match excluded file patterns | |
183 | ||
184 | my $exclude = 0; | |
185 | foreach my $line (@typevalue) { | |
290603c1 | 186 | if ($line =~ m/^(\C):\s*(.*)/) { |
cb7301c7 JP |
187 | my $type = $1; |
188 | my $value = $2; | |
189 | if ($type eq 'X') { | |
190 | if (file_match_pattern($file, $value)) { | |
191 | $exclude = 1; | |
192 | } | |
193 | } | |
194 | } | |
195 | } | |
196 | ||
197 | if (!$exclude) { | |
198 | my $tvi = 0; | |
199 | foreach my $line (@typevalue) { | |
290603c1 | 200 | if ($line =~ m/^(\C):\s*(.*)/) { |
cb7301c7 JP |
201 | my $type = $1; |
202 | my $value = $2; | |
203 | if ($type eq 'F') { | |
204 | if (file_match_pattern($file, $value)) { | |
205 | add_categories($tvi); | |
206 | } | |
207 | } | |
208 | } | |
209 | $tvi++; | |
210 | } | |
211 | } | |
212 | ||
4a7fdb5f | 213 | if ($email && $email_git) { |
cb7301c7 JP |
214 | recent_git_signoffs($file); |
215 | } | |
216 | ||
217 | } | |
218 | ||
219 | if ($email_git_penguin_chiefs) { | |
220 | foreach my $chief (@penguin_chief) { | |
221 | if ($chief =~ m/^(.*):(.*)/) { | |
222 | my $chief_name = $1; | |
223 | my $chief_addr = $2; | |
224 | if ($email_usename) { | |
225 | push(@email_to, format_email($chief_name, $chief_addr)); | |
226 | } else { | |
227 | push(@email_to, $chief_addr); | |
228 | } | |
229 | } | |
230 | } | |
231 | } | |
232 | ||
290603c1 JP |
233 | if ($email || $email_list) { |
234 | my @to = (); | |
235 | if ($email) { | |
236 | @to = (@to, @email_to); | |
cb7301c7 | 237 | } |
290603c1 JP |
238 | if ($email_list) { |
239 | if (@list_to == 0) { | |
240 | push(@list_to, "linux-kernel\@vger.kernel.org"); | |
241 | @to = (@to, @list_to); | |
242 | } | |
243 | } | |
244 | output(uniq(@to)); | |
cb7301c7 JP |
245 | } |
246 | ||
247 | if ($scm) { | |
4a7fdb5f | 248 | @scm = sort_and_uniq(@scm); |
cb7301c7 JP |
249 | output(@scm); |
250 | } | |
251 | ||
252 | if ($status) { | |
4a7fdb5f | 253 | @status = sort_and_uniq(@status); |
cb7301c7 JP |
254 | output(@status); |
255 | } | |
256 | ||
257 | if ($subsystem) { | |
4a7fdb5f | 258 | @subsystem = sort_and_uniq(@subsystem); |
cb7301c7 JP |
259 | output(@subsystem); |
260 | } | |
261 | ||
262 | if ($web) { | |
4a7fdb5f | 263 | @web = sort_and_uniq(@web); |
cb7301c7 JP |
264 | output(@web); |
265 | } | |
266 | ||
267 | exit($exit); | |
268 | ||
269 | sub file_match_pattern { | |
270 | my ($file, $pattern) = @_; | |
271 | if (substr($pattern, -1) eq "/") { | |
272 | if ($file =~ m@^$pattern@) { | |
273 | return 1; | |
274 | } | |
275 | } else { | |
276 | if ($file =~ m@^$pattern@) { | |
277 | my $s1 = ($file =~ tr@/@@); | |
278 | my $s2 = ($pattern =~ tr@/@@); | |
279 | if ($s1 == $s2) { | |
280 | return 1; | |
281 | } | |
282 | } | |
283 | } | |
284 | return 0; | |
285 | } | |
286 | ||
287 | sub usage { | |
288 | print <<EOT; | |
289 | usage: $P [options] patchfile | |
290 | $P [options] -f file | |
291 | version: $V | |
292 | ||
293 | MAINTAINER field selection options: | |
294 | --email => print email address(es) if any | |
295 | --git => include recent git \*-by: signers | |
296 | --git-chief-penguins => include ${penguin_chiefs} | |
297 | --git-min-signatures => number of signatures required (default: 1) | |
298 | --git-max-maintainers => maximum maintainers to add (default: 5) | |
299 | --git-since => git history to use (default: 1-year-ago) | |
300 | --m => include maintainer(s) if any | |
301 | --n => include name 'Full Name <addr\@domain.tld>' | |
302 | --l => include list(s) if any | |
303 | --s => include subscriber only list(s) if any | |
304 | --scm => print SCM tree(s) if any | |
305 | --status => print status if any | |
306 | --subsystem => print subsystem name if any | |
307 | --web => print website(s) if any | |
308 | ||
309 | Output type options: | |
310 | --separator [, ] => separator for multiple entries on 1 line | |
311 | --multiline => print 1 entry per line | |
312 | ||
313 | Default options: | |
290603c1 | 314 | [--email --git --m --n --l --multiline] |
cb7301c7 JP |
315 | |
316 | Other options: | |
317 | --version -> show version | |
318 | --help => show this help information | |
319 | ||
320 | EOT | |
321 | } | |
322 | ||
323 | sub top_of_kernel_tree { | |
324 | my ($lk_path) = @_; | |
325 | ||
326 | if ($lk_path ne "" && substr($lk_path,length($lk_path)-1,1) ne "/") { | |
327 | $lk_path .= "/"; | |
328 | } | |
329 | if ( (-f "${lk_path}COPYING") | |
330 | && (-f "${lk_path}CREDITS") | |
331 | && (-f "${lk_path}Kbuild") | |
332 | && (-f "${lk_path}MAINTAINERS") | |
333 | && (-f "${lk_path}Makefile") | |
334 | && (-f "${lk_path}README") | |
335 | && (-d "${lk_path}Documentation") | |
336 | && (-d "${lk_path}arch") | |
337 | && (-d "${lk_path}include") | |
338 | && (-d "${lk_path}drivers") | |
339 | && (-d "${lk_path}fs") | |
340 | && (-d "${lk_path}init") | |
341 | && (-d "${lk_path}ipc") | |
342 | && (-d "${lk_path}kernel") | |
343 | && (-d "${lk_path}lib") | |
344 | && (-d "${lk_path}scripts")) { | |
345 | return 1; | |
346 | } | |
347 | return 0; | |
348 | } | |
349 | ||
350 | sub format_email { | |
351 | my ($name, $email) = @_; | |
352 | ||
353 | $name =~ s/^\s+|\s+$//g; | |
354 | $email =~ s/^\s+|\s+$//g; | |
355 | ||
356 | my $formatted_email = ""; | |
357 | ||
358 | if ($name =~ /[^a-z0-9 \.\-]/i) { ##has "must quote" chars | |
359 | $name =~ s/(?<!\\)"/\\"/g; ##escape quotes | |
360 | $formatted_email = "\"${name}\"\ \<${email}\>"; | |
361 | } else { | |
362 | $formatted_email = "${name} \<${email}\>"; | |
363 | } | |
364 | return $formatted_email; | |
365 | } | |
366 | ||
367 | sub add_categories { | |
368 | my ($index) = @_; | |
369 | ||
370 | $index = $index - 1; | |
371 | while ($index >= 0) { | |
372 | my $tv = $typevalue[$index]; | |
290603c1 | 373 | if ($tv =~ m/^(\C):\s*(.*)/) { |
cb7301c7 JP |
374 | my $ptype = $1; |
375 | my $pvalue = $2; | |
376 | if ($ptype eq "L") { | |
290603c1 JP |
377 | my $list_address = $pvalue; |
378 | my $list_additional = ""; | |
379 | if ($list_address =~ m/([^\s]+)\s+(.*)$/) { | |
380 | $list_address = $1; | |
381 | $list_additional = $2; | |
382 | } | |
383 | if ($list_additional =~ m/\(subscribers-only\)/) { | |
cb7301c7 | 384 | if ($email_subscriber_list) { |
290603c1 | 385 | push(@list_to, $list_address); |
cb7301c7 JP |
386 | } |
387 | } else { | |
388 | if ($email_list) { | |
290603c1 | 389 | push(@list_to, $list_address); |
cb7301c7 JP |
390 | } |
391 | } | |
392 | } elsif ($ptype eq "M") { | |
393 | if ($email_maintainer) { | |
394 | if ($index >= 0) { | |
395 | my $tv = $typevalue[$index - 1]; | |
290603c1 | 396 | if ($tv =~ m/^(\C):\s*(.*)/) { |
cb7301c7 JP |
397 | if ($1 eq "P" && $email_usename) { |
398 | push(@email_to, format_email($2, $pvalue)); | |
399 | } else { | |
400 | push(@email_to, $pvalue); | |
401 | } | |
402 | } | |
403 | } else { | |
404 | push(@email_to, $pvalue); | |
405 | } | |
406 | } | |
407 | } elsif ($ptype eq "T") { | |
408 | push(@scm, $pvalue); | |
409 | } elsif ($ptype eq "W") { | |
410 | push(@web, $pvalue); | |
411 | } elsif ($ptype eq "S") { | |
412 | push(@status, $pvalue); | |
413 | } | |
414 | ||
415 | $index--; | |
416 | } else { | |
417 | push(@subsystem,$tv); | |
418 | $index = -1; | |
419 | } | |
420 | } | |
421 | } | |
422 | ||
423 | sub which { | |
424 | my ($bin) = @_; | |
425 | ||
426 | foreach my $path (split /:/, $ENV{PATH}) { | |
427 | if (-e "$path/$bin") { | |
428 | return "$path/$bin"; | |
429 | } | |
430 | } | |
431 | ||
432 | return ""; | |
433 | } | |
434 | ||
435 | sub recent_git_signoffs { | |
436 | my ($file) = @_; | |
437 | ||
438 | my $sign_offs = ""; | |
439 | my $cmd = ""; | |
440 | my $output = ""; | |
441 | my $count = 0; | |
442 | my @lines = (); | |
443 | ||
444 | if (which("git") eq "") { | |
445 | die("$P: git not found. Add --nogit to options?\n"); | |
446 | } | |
447 | ||
448 | $cmd = "git log --since=${email_git_since} -- ${file}"; | |
4a7fdb5f | 449 | $cmd .= " | grep -Pi \"^[-_ a-z]+by:.*\\\@\""; |
cb7301c7 | 450 | if (!$email_git_penguin_chiefs) { |
4a7fdb5f | 451 | $cmd .= " | grep -Pv \"${penguin_chiefs}\""; |
cb7301c7 | 452 | } |
4a7fdb5f JP |
453 | $cmd .= " | cut -f2- -d\":\""; |
454 | $cmd .= " | sed -e \"s/^\\s+//g\""; | |
cb7301c7 JP |
455 | $cmd .= " | sort | uniq -c | sort -rn"; |
456 | ||
457 | $output = `${cmd}`; | |
458 | $output =~ s/^\s*//gm; | |
459 | ||
460 | @lines = split("\n", $output); | |
461 | foreach my $line (@lines) { | |
4a7fdb5f | 462 | if ($line =~ m/([0-9]+)\s+(.*)/) { |
cb7301c7 | 463 | my $sign_offs = $1; |
4a7fdb5f | 464 | $line = $2; |
cb7301c7 JP |
465 | $count++; |
466 | if ($sign_offs < $email_git_min_signatures || | |
467 | $count > $email_git_max_maintainers) { | |
468 | last; | |
469 | } | |
470 | } else { | |
471 | die("$P: Unexpected git output: ${line}\n"); | |
472 | } | |
4a7fdb5f | 473 | if ($line =~ m/(.+)<(.+)>/) { |
cb7301c7 JP |
474 | my $git_name = $1; |
475 | my $git_addr = $2; | |
476 | $git_name =~ tr/^\"//; | |
4a7fdb5f | 477 | $git_name =~ tr/^\\s*//; |
cb7301c7 | 478 | $git_name =~ tr/\"$//; |
4a7fdb5f | 479 | $git_name =~ tr/\\s*$//; |
cb7301c7 JP |
480 | if ($email_usename) { |
481 | push(@email_to, format_email($git_name, $git_addr)); | |
482 | } else { | |
483 | push(@email_to, $git_addr); | |
484 | } | |
4a7fdb5f | 485 | } elsif ($line =~ m/<(.+)>/) { |
cb7301c7 JP |
486 | my $git_addr = $1; |
487 | push(@email_to, $git_addr); | |
488 | } else { | |
489 | push(@email_to, $line); | |
490 | } | |
491 | } | |
492 | return $output; | |
493 | } | |
494 | ||
495 | sub uniq { | |
496 | my @parms = @_; | |
497 | ||
498 | my %saw; | |
499 | @parms = grep(!$saw{$_}++, @parms); | |
500 | return @parms; | |
501 | } | |
502 | ||
503 | sub sort_and_uniq { | |
504 | my @parms = @_; | |
505 | ||
506 | my %saw; | |
507 | @parms = sort @parms; | |
508 | @parms = grep(!$saw{$_}++, @parms); | |
509 | return @parms; | |
510 | } | |
511 | ||
512 | sub output { | |
513 | my @parms = @_; | |
514 | ||
515 | if ($output_multiline) { | |
516 | foreach my $line (@parms) { | |
517 | print("${line}\n"); | |
518 | } | |
519 | } else { | |
520 | print(join($output_separator, @parms)); | |
521 | print("\n"); | |
522 | } | |
523 | } |